Research on intellectual property rights protection of software 并列题名:Research on intellectual property rights protection of software Research on intellectual property right alteration models Research on intellectual property protection in cyberspace 并列题名:Research on intellectual property right alteration models Legal issue of intellectual property right protection of genetic resources 并列题名:Research on intellectual property protection in cyberspace 并列题名:Legal issue of intellectual property right protection of genetic resources Modern biotechnology intellectual property right protection studies Research on intellectual property transaction mechanisms of China